Construction of New Boundary wall Boundary wall of Length (approx. 150 m, N-W side of 33 kV switch-yard), New Town AA-I 132 kV S/S, Salt Lake Area Office, WBSETCLUnder ACE KTZ Construction of New Boundary wall Boundary wall of Length (approx. 150 m, N-W side of 33 kV switch-yard), New Town AA-I 132 kV S/S, Salt Lake Area Office, WBSETCLUnder ACE KTZ